Football referees
Kévin Gueguen
Kristoffer Hagenes
Kamil Hájek
Kyle Hall
Kasper Halonen
Kaarlo Oskari Hämäläinen
Kris Hames
Kelsey Harms
Kai He
Kyle Healey
Karen Hernández Andrade
Keylor Herrera
Kamil Horvath
Karo Hovhannisian
Kevin Howick
Kristi Hoxha
Karel Hrubes
Kavan Hurn
Koei Hut
Kári Jóannesarson á Høvdanum
kovács Imre
Katia Itzel García
Karol Iwanowicz
Kate Jacewicz
Krzysztof Jakubik
Kalilou Jarju
Keiner José Jiménez Salas
Kevin Johnson
Kyle Johnston
Kontinen Joona
Kim Junna
Kevin Kaivoja
Kai Kaltwaßer
Kaan Kara
Kazuyoshi Karashima
Kristoffer Karlsson
Konstantinos Katoikos
Kristjan Kattus
Karl Kena
Keith Kennedy
Konrad Kiełczewski
Ki-Hyun Kim
Kentaro Kobayashi
Klajdi Kola
Kristiyan Kolev
Katikos Konstantinos
Konstantinos Konstantios
Karl Koppel
Katja Koroleva
Konstantinos Kotsanis